| 2012-02-10 | Davis Cup G2 R1: HUN vs IRL | Carpet | RR | 358 |  James McGee | 316 |  Adam Kellner | 4-6 6-3 6-4 6-7(7) 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 2012-04-06 | Davis Cup G2 R2: HUN vs LAT | Carpet | RR | 346 | Adam Kellner | 620 |  Deniss Pavlovs | 6-3 6-7(2) 6-2 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2011-03-04 | Davis Cup G2 R1: CYP vs HUN | Hard | RR | 333 | Adam Kellner | - |  Rares Cuzdriorean | 6-4 6-4 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 2011-07-08 | Davis Cup G2 R2: HUN vs BLR | Clay | RR | 249 | Adam Kellner | 364 | Sergey Betov | 6-2 6-0 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2011-07-08 | Davis Cup G2 R2: HUN vs BLR | Clay | RR | 153 |  Uladzimir Ignatik | 249 | Adam Kellner | 7-6(5) 6-4 5-7 1-6 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 2010-03-05 | Davis Cup G2 R1: EST vs HUN | Hard | RR | 449 |  Jurgen Zopp | 321 | Adam Kellner | 6-3 7-6(4) 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 2010-03-05 | Davis Cup G2 R1: EST vs HUN | Hard | RR | 321 | Adam Kellner | 818 | Jaak Poldma | 6-3 6-4 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 2010-07-09 | Davis Cup G2 PO: HUN vs MKD | Clay | RR | - | MKDDimitar Grabul | 443 | Adam Kellner | 1-6 5-7 6-4 6-4 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2009-03-06 | Davis Cup G2 R1: HUN vs BUL | Carpet | RR | 586 | Adam Kellner | 602 |  Tihomir Grozdanov | 4-6 6-2 7-6(3) | H2H | 3 | - | - | - | - | - | - | - |
| 2009-03-06 | Davis Cup G2 R1: HUN vs BUL | Carpet | RR | 402 | Grigor Dimitrov | 586 | Adam Kellner | 7-6(5) 6-4 6-7(5) 7-6(5) | H2H | 5 | - | - | - | - | - | - | - |
